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The ability to regrow their tails has been a documented and life-saving skill of small reptiles like lizards and geckos. Now, researchers say they have details of larger reptiles, alligators, regrowing their tail.A team of scientists from Arizona State University and the Louisiana Department of Wildlife and Fisheries were surprised to discover the alligators have the ability to regrow their tails up to 9 inches. Their report was recently published in Scientific Reports.“Overall, this study of wild-caught, juvenile American alligator tails identifies a distinct pattern of wound repair in mammals while exhibiting features in common with regeneration in lepidosaurs and amphibia,” the researchers concluded.The wild-caught alligators most likely lost their tails by traumatic injury, the scientists stated. The team also had samples of regrown tails from alligators who had died."The regrown skeleton was surrounded by connective tissue and skin but lacked any skeletal muscle (which lizard tails do regenerate with)," Kenro Kusumi, co-senior study author and professor and director of ASU's School of Life Sciences and associate dean in the College of Liberal Arts and Sciences, told CNN.Even without muscles, a regrown tail is important for alligators’ survival.The team hopes their research will help scientists working on regenerative therapies in humans. Although humans are incapable of regrowing a limb, researchers said we have the same cells and pathways that alligators and other animals use for regeneration. 1532
TALLAHASSEE, Fla. -- Governor Ron DeSantis has vetoed a bill that would have raised the minimum smoking age to 21 in Florida.Earlier in the year, the state was poised to raise the minimum age for smoking and vaping to 21. But on Tuesday, in a letter sent to the Department of State Secretary, Gov. DeSantis explained that banning vaping would be "more dangerous" for hundreds of thousands of Floridians who rely on the reduced-risk alternatives to cigarettes.Gov. DeSantis said in the letter that the bill -- Senate Bill 810 -- would lead more people to go back to smoking cigarettes and would "drive others to the hazardous black market."While Gov. DeSantis says it's "an important goal" to get younger Floridians to cut down on vaping, he said in the letter that the goal will not be achieved with the passage of the bill.Prior to being vetoed by the governor, Senate Bill 810 would have also banned sales of flavored vaping products.Below is Gov. DeSantis' letter to the state:Below is the now-vetoed Senate Bill 810:This article was written by KJ Hiramoto for WFTS. 1078
States and districts across the country are unveiling their plans for the nation’s 56 million school children to return back to school. It’s a stressful time for parents and teachers, as well as students. Experts say it’s important to recognize the signs your child may not be ready to go back.“I really want to see friends and see teachers, and like, being actually inside the classroom,” said 14-year-old sophomore Amina Ahmad.Still, there is an uneasiness about whether a return to the classroom would lead to an outbreak.“Some people really are kind of worried about how many students are actually going back and how many people are going to be there,” said Ahmad.Politicians, school administrators, and parents are all weighing the potential risks of returning to the classroom. As novel coronavirus cases surge across the country, experts say the psychological toll on children needs to be addressed.“One of the things that we're seeing a lot is that after being away from that routine for a long time, it is normal for families and for youth to be concerned about ‘how is this going to be?’” said Dr. Tali Raviv, a child clinical psychologist at the Ann & Robert H. Lurie Children's Hospital of Chicago who specializes in student mental and health resilience.The American Association of Pediatrics says the benefits of in-person learning outweigh the risks and “…strongly advocates that all policy considerations for the coming school year should start with a goal of having students physically present in school.”But mental health experts say it’s important to understand how each child feels about going back.“Because it's a very different situation if a child is worried, ‘I'm not going to have my best friend with me in my little pod’ than if they're saying ‘I'm worried I'm going to get sick and die’ or ‘you're going to get sick and die,’” explained Dr. Raviv.Dr. Raviv says signs that your student is anxious about returning to school include:Any significant changes in sleep, falling asleep, staying asleep, not wanting to sleep alone or having nightmaresChanges in appetite or a lack of appetiteHeadaches or stomach achesBeing more irritable, frequent meltdownsWithdrawal from friends, family, other activitiesDr. Raviv says if the anxiety is debilitating, it may be time to see a professional.For sophomore Ahmad, her school’s hybrid schedule, alternating in-person and online classes, has put her mind at ease for now. 2448
Teachers in the San Diego Unified School District say they may have to strike if they can't reach an agreement on a new contract with the district."It's not something we ever want to do," says Lindsay Burningham with the San Diego Education Association, the union that represents teachers. "But it's something that we will do if the district doesn't show the respect our students and educators deserve."Teachers first brought up the threat of a strike at this month's school board meeting, where they urged board members to hear their demands.The two sides have been in negotiations since June when the last contract expired. Since then, teachers in the district have been working without a contract. The final negotiating session between the two is scheduled for Thursday, March 22.For the new contract, they're asking the district to "LEARN."Lower Class Sizes 884
Swiss authorities are investigating a series of bizarre deposits.Investigators in Geneva are trying to understand why two Spanish women flushed roughly �100,000 (0,000) down toilets at a UBS bank branch and three nearby restaurants.Vincent Derouand of the Geneva Prosecutors' Office said the first incident involving cut-up �500 bills occurred in May.Security camera footage led investigators to the two Spanish women. Derouand said that a lawyer for the women confirmed the cash belonged to them."It may be illegal [cash] and they tried to get rid of it," Derouand said. "We have to check where the money is coming from."Derouand declined to identify the women."This is a strange story," he said. "It does not happen often."UBS declined to comment on the cash found at the Geneva branch, citing the ongoing investigation.The European Central Bank plans to kill off the �500 note next year because of concerns that it "could facilitate illicit activities."Europe's top law enforcement agency says the note (worth about 0) is often used by money launderers because of its unusually large denomination and portability. Plus, using cash helps criminals keep transactions and savings anonymous.In a 2015 report, Europol said cash was still the "instrument of choice" for terrorists and �500 bills were in high demand.Switzerland was long known for banking privacy laws that made it possible for banks to refuse to hand over their customers' data to authorities.But in recent years the country has agreed to start sharing financial information with outsiders, including the European Union and the U.S. 1610
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